CompTIA Security+ · SY0-701
Objective 1.4: Explain the importance of using appropriate cryptographic solutions
Practice questions for Security+ objective 1.4, “Explain the importance of using appropriate cryptographic solutions.” Every question is original, written to the SY0-701 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 1.0: General Security Concepts, which is about 12% of the exam — so mastering it moves your readiness score meaningfully.
1.A company needs to encrypt large volumes of data at rest on its file servers. The encryption solution must be fast enough to handle high-throughput operations. Which type of encryption algorithm is most appropriate for this use case?
2.An organisation encrypts its data using a symmetric key. To securely transmit that symmetric key to a remote party over an untrusted network, they encrypt the symmetric key using the remote party's public RSA key. What is this approach called?
3.A security administrator is comparing AES and 3DES for encrypting sensitive data. Which statement most accurately describes the difference between these two symmetric encryption algorithms?
4.A company is evaluating cryptographic algorithms for use in IoT devices with extremely limited processing power and battery life. They require strong security with minimal computational overhead. Which asymmetric algorithm is best suited for this environment?
5.A Certificate Authority (CA) issues a digital certificate to a web server. The certificate binds the server's public key to its domain name and is signed by the CA. A user's browser trusts the CA. What does the browser verify when it checks this certificate during a TLS handshake?
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